I know that there is a regulated meaning—at least for food—even down to the region (Scotch, Chianti, Champagne, etc.) or even city (Modena, for balsamic vinegar), but laws aren't the same in every country.

"Made in EU" would be equivalent to "Made in USA", and I'm pretty sure it's regulated.

This is just an app though, so they can say whatever they want. I've seen "Made with love", "Made on Earth", etc.